Home / 54,939.06-75,816.72-29,788.56

Finding the Fourth Proportional to 54,939.06, 75,816.72 and 29,788.56

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Solution

The fourth proportional to 54,939.06, 75,816.72 and 29,788.56 is: 41,108.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,939.06 : 75,816.72 = 29,788.56 : x
  2. Step 2: Convert to fraction form
    54,939.06/75,816.72 = 29,788.56/x
  3. Step 3: Cross multiply
    54,939.06x = 75,816.72 × 29,788.56
  4. Step 4: Simplify right side
    54,939.06x = 2,258,470,912.72
  5. Step 5: Solve for x
    x = 2,258,470,912.72/54,939.06
  6. Step 6: Final answer
    x = 41,108.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.